1 files changed, 5 insertions, 8 deletions

diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c
index 6565f027791e..7eab9ab9f406 100644
--- a/drivers/s390/cio/blacklist.c
+++ b/drivers/s390/cio/blacklist.c
@@ -265,13 +265,11 @@ struct ccwdev_iter {
 static void *
 cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
 {
-        struct ccwdev_iter *iter;
+        struct ccwdev_iter *iter = s->private;
 
         if (*offset >= (__MAX_SUBCHANNEL + 1) * (__MAX_SSID + 1))
                 return NULL;
-        iter = kzalloc(sizeof(struct ccwdev_iter), GFP_KERNEL);
-        if (!iter)
-                return ERR_PTR(-ENOMEM);
+        memset(iter, 0, sizeof(*iter));
         iter->ssid = *offset / (__MAX_SUBCHANNEL + 1);
         iter->devno = *offset % (__MAX_SUBCHANNEL + 1);
         return iter;
@@ -280,8 +278,6 @@ cio_ignore_proc_seq_start(struct seq_file *s, loff_t *offset)
 static void
 cio_ignore_proc_seq_stop(struct seq_file *s, void *it)
 {
-        if (!IS_ERR(it))
-                kfree(it);
 }
 
 static void *
@@ -378,14 +374,15 @@ static const struct seq_operations cio_ignore_proc_seq_ops = {
 static int
 cio_ignore_proc_open(struct inode *inode, struct file *file)
 {
-        return seq_open(file, &cio_ignore_proc_seq_ops);
+        return seq_open_private(file, &cio_ignore_proc_seq_ops,
+                                sizeof(struct ccwdev_iter));
 }
 
 static const struct file_operations cio_ignore_proc_fops = {
         .open    = cio_ignore_proc_open,
         .read    = seq_read,
         .llseek  = seq_lseek,
-        .release = seq_release,
+        .release = seq_release_private,
         .write   = cio_ignore_write,
 };